Keiser, Gerd creator New Delhi Tata McGraw-Hill Publishing 2008 2011 4th ed. xxi, 602 p. : xxxii, 578p. ill. 24 cm. (Pbk) by Gerd Keiser Includes index Optical communications Fiber optics 621.38275 0070648107 9780070648104 ENG-88432 B-710626 DBAD / PUB Tata Mc Graw Hill 20190211164532.0